12042867 has 4 divisors (see below), whose sum is σ = 16057160. Its totient is φ = 8028576.

The previous prime is 12042847. The next prime is 12042887. The reversal of 12042867 is 76824021.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (12042847) and next prime (12042887).

It is not a de Polignac number, because 12042867 - 2⁷ = 12042739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12042847) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2007142 + ... + 2007147.

It is an arithmetic number, because the mean of its divisors is an integer number (4014290).

Almost surely, 2^12042867 is an apocalyptic number.

12042867 is a deficient number, since it is larger than the sum of its proper divisors (4014293).

12042867 is an equidigital number, since it uses as much as digits as its factorization.

12042867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4014292.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 12042867 is about 3470.2834178205. The cubic root of 12042867 is about 229.2151382355.

Adding to 12042867 its reverse (76824021), we get a palindrome (88866888).

The spelling of 12042867 in words is "twelve million, forty-two thousand, eight hundred sixty-seven".